| 年份 | 户籍人口户数(万户) |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | 20.01 |
| 2018 | 20.09 |
| 2017 | 20.27 |
| 2016 | 20.43 |
| 2015 | 20.54 |
| 2014 | 20.59 |
| 2013 | 20.85 |
| 2012 | 20.87 |
| 2011 | 20.82 |
| 2010 | 20.72 |
| 2009 | 20.64 |
| 2008 | 20.35 |
| 2007 | 20.05 |
| 2006 | 18.84 |
| 2005 | 18.82 |
| 2004 | 18.78 |
| 2003 | |
| 2002 | |
| 2001 | 18.40 |
| 2000 | |
| 1999 |